Frequency sensitive self-organizing maps and its application in color quantization. - Chip-Hong Chang; Pengfei Xu 009 (ISCAS (5), 2004)

Self-organizing topological tree. - Pengfei Xu 009; Chip-Hong Chang (ISCAS (5), 2004)

New adaptive color quantization method based on self-organizing maps. - Chip-Hong Chang; Pengfei Xu 009; Rui Xiao; Thambipillai Srikanthan (IEEE Trans. Neural Networks, 2005)

Self-organizing topological tree for online vector quantization and data clustering. - Pengfei Xu 009; Chip-Hong Chang; Andrew P. Paplinski (IEEE Trans. Syst. Man Cybern. Part B, 2005)